I've been playing on Dx9 since the game went free, and and I'm running Windows 7. I only got this problem a couple weeks ago too, but I'm starting to think the best way around this would be to get get a new graphics card.
Alright, I'm the author of these reddit posts on the issue: https://www.reddit.com/r/sto/comments/3el1zo/game_client_error/ and https://www.reddit.com/r/sto/comments/3fsiuz/game_client_error_pt_2/ I've just logged into the Tribble server, normal mode with command line. No dice. Safe mode with command line, also nothing.…